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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 // Test [Function.apply] on user-defined classes that implement [noSuchMethod]. | |
| 6 | |
| 7 import "package:expect/expect.dart"; | |
| 8 import 'dart:mirrors'; | |
| 9 | |
| 10 class F { | |
| 11 call([p1]) => "call"; | |
| 12 noSuchMethod(Invocation invocation) => "NSM"; | |
| 13 } | |
| 14 | |
| 15 class G { | |
| 16 call() => '42'; | |
| 17 noSuchMethod(Invocation invocation) => invocation; | |
| 18 } | |
| 19 | |
| 20 class H { | |
| 21 call(required, {a}) => required + a; | |
| 22 } | |
| 23 | |
| 24 main() { | |
| 25 Expect.equals('call', Function.apply(new F(), [])); | |
| 26 Expect.equals('call', Function.apply(new F(), [1])); | |
| 27 Expect.equals('NSM', Function.apply(new F(), [1, 2])); | |
| 28 Expect.equals('NSM', Function.apply(new F(), [1, 2, 3])); | |
| 29 | |
| 30 var symbol = const Symbol('a'); | |
| 31 var requiredParameters = [1]; | |
| 32 var optionalParameters = new Map()..[symbol] = 42; | |
| 33 Invocation i = | |
| 34 Function.apply(new G(), requiredParameters, optionalParameters); | |
| 35 | |
| 36 Expect.equals(const Symbol('call'), i.memberName); | |
| 37 Expect.listEquals(requiredParameters, i.positionalArguments); | |
| 38 Expect.mapEquals(optionalParameters, i.namedArguments); | |
| 39 Expect.isTrue(i.isMethod); | |
| 40 Expect.isFalse(i.isGetter); | |
| 41 Expect.isFalse(i.isSetter); | |
| 42 Expect.isFalse(i.isAccessor); | |
| 43 | |
| 44 // Check that changing the passed list and map for parameters does | |
| 45 // not affect [i]. | |
| 46 requiredParameters[0] = 42; | |
| 47 optionalParameters[symbol] = 12; | |
| 48 Expect.listEquals([1], i.positionalArguments); | |
| 49 Expect.mapEquals(new Map()..[symbol] = 42, i.namedArguments); | |
| 50 | |
| 51 // Check that using [i] for invocation yields the same [Invocation] | |
| 52 // object. | |
| 53 var mirror = reflect(new G()); | |
| 54 Invocation other = mirror.delegate(i); | |
| 55 Expect.equals(i.memberName, other.memberName); | |
| 56 Expect.listEquals(i.positionalArguments, other.positionalArguments); | |
| 57 Expect.mapEquals(i.namedArguments, other.namedArguments); | |
| 58 Expect.equals(i.isMethod, other.isMethod); | |
| 59 Expect.equals(i.isGetter, other.isGetter); | |
| 60 Expect.equals(i.isSetter, other.isSetter); | |
| 61 Expect.equals(i.isAccessor, other.isAccessor); | |
| 62 | |
| 63 // Test that [i] can be used to hit an existing method. | |
| 64 Expect.equals(43, new H().call(1, a: 42)); | |
| 65 Expect.equals(43, Function.apply(new H(), [1], new Map()..[symbol] = 42)); | |
| 66 mirror = reflect(new H()); | |
| 67 Expect.equals(43, mirror.delegate(i)); | |
| 68 Expect.equals(43, mirror.delegate(other)); | |
| 69 } | |
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